/* SÓCRATES NOVA V20.4.35 — CAPTCHA matemático: presentación ligera.
   Solo CSS: conserva los campos, IDs, JS y validación PHP de V20.4.34. */
.nv-math-captcha {
  box-sizing: border-box !important;
  display: block;
  width: min(100%, 365px);
  max-width: 100%;
  margin: 10px 0 16px !important;
  padding: 11px 13px 12px !important;
  background: linear-gradient(115deg, #f8fcfe 0%, #f3f9fc 100%) !important;
  border: 1px solid #d6e6ef !important;
  border-radius: 11px !important;
  box-shadow: 0 2px 9px rgba(0, 47, 87, .035) !important;
  color: #123e5b !important;
  text-align: left !important;
  font-family: Inter, Arial, sans-serif !important;
  line-height: 1.35 !important;
}
.nv-math-captcha, .nv-math-captcha * { box-sizing: border-box !important; }
.nv-math-heading {
  display: flex !important;
  align-items: center !important;
  gap: 7px !important;
  margin: 0 0 8px !important;
  color: #496b80 !important;
  font: 600 10px/1.3 Inter, Arial, sans-serif !important;
  letter-spacing: .035em !important;
  text-transform: none !important;
}
.nv-math-heading::before {
  content: '✓';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 17px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: #e4f4db;
  color: #4b9623;
  font: 700 11px/1 Inter, Arial, sans-serif;
}
.nv-math-row {
  display: flex !important;
  align-items: center !important;
  flex-wrap: nowrap !important;
  gap: 8px !important;
  margin: 0 !important;
}
.nv-math-question {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  flex: 1 1 auto !important;
  min-width: 0 !important;
  gap: 8px !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
  color: #143e5b !important;
  font: 600 14px/1.25 Inter, Arial, sans-serif !important;
  letter-spacing: 0 !important;
  text-transform: none !important;
}
.nv-math-question span {
  display: block !important;
  flex: 1 1 auto !important;
  min-width: 0 !important;
  white-space: normal !important;
  color: inherit !important;
  font: inherit !important;
}
.nv-math-input {
  appearance: textfield !important;
  -moz-appearance: textfield !important;
  display: block !important;
  flex: 0 0 78px !important;
  width: 78px !important;
  min-width: 78px !important;
  max-width: 78px !important;
  height: 36px !important;
  min-height: 36px !important;
  max-height: 36px !important;
  margin: 0 !important;
  padding: 6px 7px !important;
  border: 1px solid #b9d3e2 !important;
  border-radius: 7px !important;
  background: #fff !important;
  color: #003b61 !important;
  box-shadow: 0 1px 2px rgba(0, 47, 87, .035) !important;
  font: 600 15px/1.2 Inter, Arial, sans-serif !important;
  text-align: center !important;
  letter-spacing: 0 !important;
  transition: border-color .18s ease, box-shadow .18s ease !important;
}
.nv-math-input::placeholder {
  color: #879dac !important;
  opacity: 1 !important;
  font: 400 10px/1.2 Inter, Arial, sans-serif !important;
}
.nv-math-input::-webkit-outer-spin-button,
.nv-math-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.nv-math-input:focus {
  outline: 0 !important;
  border-color: #0074c7 !important;
  box-shadow: 0 0 0 3px rgba(0, 116, 199, .11) !important;
}
.nv-math-refresh {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex: 0 0 35px !important;
  width: 35px !important;
  min-width: 35px !important;
  max-width: 35px !important;
  height: 35px !important;
  min-height: 35px !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 1px solid #d7e6ee !important;
  border-radius: 8px !important;
  background: #edf6fb !important;
  color: #0074c7 !important;
  box-shadow: none !important;
  font: 400 21px/1 Inter, Arial, sans-serif !important;
  text-align: center !important;
  cursor: pointer !important;
  transition: background .18s ease, border-color .18s ease, transform .18s ease !important;
}
.nv-math-refresh:hover:not(:disabled) {
  background: #dff1fb !important;
  border-color: #a9d3e9 !important;
  transform: rotate(24deg);
}
.nv-math-refresh:focus-visible { outline: 2px solid #0074c7 !important; outline-offset: 2px !important; }
.nv-math-refresh:disabled { opacity: .55 !important; cursor: wait !important; }
.nv-math-note {
  display: block !important;
  margin: 7px 0 0 !important;
  padding: 0 !important;
  color: #7a5360 !important;
  font: 400 11px/1.4 Inter, Arial, sans-serif !important;
}
.nv-math-note:empty { display: none !important; }
@media (max-width: 420px) {
  .nv-math-captcha { width: 100%; padding: 10px 11px !important; }
  .nv-math-question { font-size: 13px !important; gap: 6px !important; }
  .nv-math-input { flex-basis: 70px !important; width: 70px !important; min-width: 70px !important; max-width: 70px !important; }
  .nv-math-row { gap: 6px !important; }
  .nv-math-refresh { flex-basis: 33px !important; width: 33px !important; min-width: 33px !important; max-width: 33px !important; height: 33px !important; min-height: 33px !important; }
}
@media (prefers-reduced-motion: reduce) {
  .nv-math-refresh, .nv-math-input { transition: none !important; }
  .nv-math-refresh:hover:not(:disabled) { transform: none; }
}